<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    p {
      /* left to right */
      /* direction: ltr; */
      /* direction: rtl;
      unicode-bidi: bidi-override; */
      letter-spacing: 5px;
      word-spacing: 20px;
    }
  </style>
</head>

<body>

  <p>this is color </p>
  <p>设置字符间距</p>

</body>

</html>